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Maps are updated within about 5 minutes of an earthquake or once an hour.
Brown lines represent known hazardous faults or fault zones. White lines are roads.
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Update time = Sun Jan 20 15:00:03 PST 2019
Here are the earthquakes appearing on this map, most recent at top ...

 MAG    DATE    LOCAL-TIME  LAT     LON    DEPTH    LOCATION
        y/m/d     h:m:s     deg     deg     km
 1.0 2019/01/20 09:22:08 37.569N 121.568W  7.8   22 km (13 mi) SE  of Livermore, CA
 2.2 2019/01/20 01:19:26 36.474N 121.050W  4.3   24 km (15 mi) NE  of Greenfield, CA
 2.5 2019/01/19 13:41:46 36.855N 121.586W  5.5    4 km ( 3 mi) WNW of San Juan Bautista, CA
 1.5 2019/01/19 09:06:49 37.551N 121.877W  7.2    9 km ( 6 mi) E   of Fremont, CA
 2.1 2019/01/19 07:00:13 37.886N 121.599W 15.3    3 km ( 2 mi) S   of Discovery Bay, CA
 2.2 2019/01/18 17:46:24 36.548N 121.136W  2.8   22 km (14 mi) NE  of Soledad, CA
 1.4 2019/01/18 12:25:42 36.531N 121.102W  6.5   23 km (14 mi) ENE of Soledad, CA
 1.5 2019/01/17 06:52:50 36.475N 121.057W  6.7   24 km (15 mi) NE  of Greenfield, CA
 3.5 2019/01/17 06:11:07 37.852N 122.235W 11.6    3 km ( 2 mi) N   of Piedmont, CA
 1.5 2019/01/17 02:12:49 36.658N 121.133W  9.4   27 km (17 mi) SE  of Ridgemark, CA
 1.1 2019/01/16 08:52:21 37.854N 122.250W 10.3    3 km ( 2 mi) SE  of Berkeley, CA
 2.1 2019/01/16 04:48:28 37.855N 122.233W 11.2    3 km ( 2 mi) N   of Piedmont, CA
 1.9 2019/01/16 04:45:02 37.852N 122.238W 10.2    3 km ( 2 mi) N   of Piedmont, CA
 3.4 2019/01/16 04:42:08 37.853N 122.234W 11.7    3 km ( 2 mi) N   of Piedmont, CA
 1.4 2019/01/16 02:46:11 36.937N 121.664W  7.6    6 km ( 4 mi) NNW of Aromas, CA
 1.9 2019/01/16 02:19:53 36.685N 121.397W  6.5   14 km ( 9 mi) S   of Ridgemark, CA
 2.3 2019/01/16 02:07:40 37.352N 122.146W  5.5    3 km ( 2 mi) SSW of Los Altos Hills, CA
 1.8 2019/01/15 16:30:38 36.465N 121.048W  5.0   24 km (15 mi) NE  of Greenfield, CA
 2.4 2019/01/15 12:48:01 36.466N 121.046W  5.3   24 km (15 mi) NE  of Greenfield, CA
 1.1 2019/01/14 19:58:46 37.722N 121.872W 11.1    6 km ( 4 mi) ENE of Dublin, CA
 2.1 2019/01/14 19:40:01 36.495N 121.076W  2.4   24 km (15 mi) ENE of Soledad, CA
 1.0 2019/01/14 19:31:48 37.725N 121.872W 11.2    6 km ( 4 mi) ENE of Dublin, CA
 1.2 2019/01/14 09:29:52 37.260N 121.655W  8.2   14 km ( 9 mi) N   of Morgan Hill, CA

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Data Sources

US and World - USGS/NEIC = National Earthquake Information Center
Northern California - UCB = University of California, Berkeley
Southern California - Caltech = California Institute of Technology
Southern California - UCSD = University of California, San Diego
Nevada - UNR = University of Nevada, Reno
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System (ANSS)



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